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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,97 @@ | ||
| import pytest | ||
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| from cvise.passes.lines import LinesPass | ||
| from cvise.utils.externalprograms import find_external_programs | ||
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| @pytest.fixture | ||
| def input_path(tmp_path): | ||
| return tmp_path / 'input.cc' | ||
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| @pytest.fixture | ||
| def external_programs(): | ||
| return find_external_programs() | ||
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| def read_file(path): | ||
| with open(path) as f: | ||
| return f.read() | ||
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| def write_file(path, data): | ||
| with open(path, 'w') as f: | ||
| f.write(data) | ||
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| def collect_all_transforms(pass_, state, input_path): | ||
| all_outputs = set() | ||
| backup = read_file(input_path) | ||
| while state is not None: | ||
| pass_.transform(input_path, state, process_event_notifier=None) | ||
| all_outputs.add(read_file(input_path)) | ||
| write_file(input_path, backup) | ||
| state = pass_.advance(input_path, state) | ||
| return all_outputs | ||
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| def advance_until(pass_, state, input_path, predicate): | ||
| backup = read_file(input_path) | ||
| while True: | ||
| pass_.transform(input_path, state, process_event_notifier=None) | ||
| if predicate(read_file(input_path)): | ||
| return state | ||
| write_file(input_path, backup) | ||
| state = pass_.advance(input_path, state) | ||
| assert state is not None | ||
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| def test_new_reformatting_arg0(input_path, external_programs): | ||
| write_file(input_path, 'int f() {\nchar x;\n}\nnamespace foo\n{\n}\n') | ||
| p = LinesPass('0', external_programs) | ||
| p.new(input_path, check_sanity=lambda: True) | ||
| assert read_file(input_path) == 'int f() { char x; }\n namespace foo { }\n' | ||
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| def test_new_reformatting_arg1(input_path, external_programs): | ||
| write_file(input_path, 'int f() {\nchar x;\n}\nnamespace foo\n{\n}\n') | ||
| p = LinesPass('1', external_programs) | ||
| p.new(input_path, check_sanity=lambda: True) | ||
| assert read_file(input_path) == 'int f() {\n char x;\n }\n namespace foo {\n }\n' | ||
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| def test_transform_deletes_individual_line(input_path, external_programs): | ||
| write_file(input_path, 'int f() { char x; }\nnamespace foo { }\n') | ||
| p = LinesPass('0', external_programs) | ||
| state = p.new(input_path) | ||
| all_transforms = collect_all_transforms(p, state, input_path) | ||
| assert 'int f() { char x; }\n' in all_transforms | ||
| assert ' namespace foo { }\n' in all_transforms | ||
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| def test_transform_deletes_lines_range(input_path, external_programs): | ||
| write_file(input_path, 'A;\nB;\nC;\nD;\nE;\nF;\nG;\nH;\n') | ||
| p = LinesPass('0', external_programs) | ||
| state = p.new(input_path) | ||
| all_transforms = collect_all_transforms(p, state, input_path) | ||
| # deletion of a half: | ||
| assert 'A;\n B;\n C;\n D;\n' in all_transforms | ||
| assert ' E;\n F;\n G;\n H;\n' in all_transforms | ||
| # deletion of a quarter: | ||
| assert ' C;\n D;\n E;\n F;\n G;\n H;\n' in all_transforms | ||
| assert 'A;\n B;\n E;\n F;\n G;\n H;\n' in all_transforms | ||
| assert 'A;\n B;\n C;\n D;\n G;\n H;\n' in all_transforms | ||
| assert 'A;\n B;\n C;\n D;\n E;\n F;\n' in all_transforms | ||
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| def test_advance_on_success(input_path, external_programs): | ||
| write_file(input_path, 'foo;\nbar;\nbaz;\n') | ||
| p = LinesPass('0', external_programs) | ||
| state = p.new(input_path) | ||
| # cut 'foo' first | ||
| state = advance_until(p, state, input_path, lambda s: 'bar' in s and 'baz' in s) | ||
| p.advance_on_success(input_path, state) | ||
| # cut 'baz' now | ||
| state = advance_until(p, state, input_path, lambda s: 'bar' in s) | ||
| p.advance_on_success(input_path, state) | ||
| assert read_file(input_path) == ' bar;\n' |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| import os | ||
| import platform | ||
| import shutil | ||
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| SCRIPT_PATH = os.path.dirname(os.path.realpath(__file__)) | ||
| DESTDIR = os.getenv('DESTDIR', '') | ||
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| def find_external_programs(): | ||
| programs = { | ||
| 'clang_delta': 'clang_delta', | ||
| 'clex': 'clex', | ||
| 'topformflat': 'delta', | ||
| 'unifdef': None, | ||
| 'gcov-dump': None, | ||
| } | ||
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| for prog, local_folder in programs.items(): | ||
| path = None | ||
| if local_folder: | ||
| local_folder = os.path.join(SCRIPT_PATH, '..', '..', local_folder) | ||
| if platform.system() == 'Windows': | ||
| for configuration in ['Debug', 'Release']: | ||
| new_local_folder = os.path.join(local_folder, configuration) | ||
| if os.path.exists(new_local_folder): | ||
| local_folder = new_local_folder | ||
| break | ||
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| path = shutil.which(prog, path=local_folder) | ||
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| if not path: | ||
| search = os.path.join('@CMAKE_INSTALL_FULL_LIBEXECDIR@', '@cvise_PACKAGE@') | ||
| path = shutil.which(prog, path=search) | ||
| if not path: | ||
| search = DESTDIR + os.path.join('@CMAKE_INSTALL_FULL_LIBEXECDIR@', '@cvise_PACKAGE@') | ||
| path = shutil.which(prog, path=search) | ||
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| if not path: | ||
| path = shutil.which(prog) | ||
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| if path is not None: | ||
| programs[prog] = path | ||
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| # Special case for clang-format | ||
| programs['clang-format'] = '@CLANG_FORMAT_PATH@' | ||
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| return programs |